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Electricity prices Great Britain, 4 September 2026

4 September 2026 · Consumer price including taxes and charges.

Great Britain has no single public hourly price for households. We show Octopus Agile half-hourly prices (one supplier's dynamic tariff, inc. VAT), averaged over its 14 regions. The Ofgem price cap below applies to standard tariffs.

Average
17.3p/kWh
−35% vs. yesterday · −38% vs. 7-day average
Lowest
-2.4p/kWh
Highest
36.8p/kWh
Hours with negative prices
4

Cheapest hours

Best time to run

Washing machine (2 h)
12:00–14:00, average -2.4p/kWh
Dishwasher (3 h)
12:00–15:00, average -2.3p/kWh
Electric car (4 h)
12:00–16:00, average -1.9p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
025.3p/kWh
121.4p/kWh
221.7p/kWh
322.5p/kWh
422.5p/kWh
523.9p/kWh
625.5p/kWh
727.6p/kWh
823.0p/kWh
914.0p/kWh
104.7p/kWh
110.4p/kWh
12-2.4p/kWh
13-2.4p/kWh
14-2.2p/kWh
15-0.6p/kWh
1620.8p/kWh
1734.6p/kWh
1836.8p/kWh
1923.7p/kWh
2024.1p/kWh
2123.1p/kWh
2217.5p/kWh
2310.0p/kWh

The average household tariff in the United Kingdom is 33.7p/kWh (all taxes and fixed charges included, Oct–Dec 2026).

Last 7 days, hour by hour

Cheapest hours highlighted. Times in local time.

Previous days

DateAverageLowestHighest
3 Sept26.6p/kWh8.5p/kWh49.4p/kWh
2 Sept32.2p/kWh26.2p/kWh51.5p/kWh
1 Sept27.7p/kWh10.8p/kWh50.1p/kWh
31 Aug22.0p/kWh-1.2p/kWh45.3p/kWh
30 Aug29.1p/kWh23.3p/kWh45.4p/kWh
29 Aug28.7p/kWh15.9p/kWh47.9p/kWh
28 Aug29.4p/kWh21.2p/kWh44.3p/kWh
27 Aug30.0p/kWh23.1p/kWh47.6p/kWh
26 Aug30.1p/kWh24.0p/kWh49.9p/kWh
25 Aug29.5p/kWh19.8p/kWh50.0p/kWh
24 Aug30.5p/kWh24.5p/kWh48.4p/kWh
23 Aug28.6p/kWh20.9p/kWh46.8p/kWh
22 Aug25.5p/kWh14.9p/kWh43.1p/kWh
21 Aug30.3p/kWh24.3p/kWh45.3p/kWh

Source: Octopus Energy API